Intercom



FIG. 1 is a front elevational view of an intercom showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image;

FIG. 4 is a top plan view thereof, the bottom view being a mirror image; and,

FIG. 5 is a front perspective view thereof. 

CLAIM The ornamental design for an intercom, as shown and described. 